package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;

import com.itheima.pojo.Menu;
import com.itheima.pojo.Setmeal;
import com.itheima.service.ReportService;
import com.itheima.service.SetMealService;
import com.itheima.utils.DateUtils;
import net.sf.jasperreports.engine.*;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.util.*;
import java.util.logging.SimpleFormatter;

/*
 *@AUTHOR:LIUCHAO;
 *@DATE: 2020/9/20 10:17
 */
@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private SetMealService setMealService;
    @Reference
    private ReportService reportService;

    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){
        HashMap<String, Object> data = new HashMap<>();
//        ArrayList<String> list = new ArrayList<>();/*存取套餐名字*/
        List<String> list = setMealService.findAllName();
        data.put("setmealNames",list);
        List<Map<String, Object>> list2 = setMealService.findSetmealCountByOrder();/*存取套餐预约次数*/
        data.put("setmealCount",list2);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,data);
    }
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        HashMap<String, Object> data =null;
     try{
         data = reportService.getBusinessReport();
     }catch (Exception e){
         e.printStackTrace();
         return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
     }
        return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,data);
    }


    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try{
            //远程调用报表服务获取报表数据
            HashMap<String, Object> result = reportService.getBusinessReport();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = DateUtils.parseDate2String((Date) result.get("reportDate"));
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
//            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获得Excel模板文件绝对路径
            String temlateRealPath = request.getSession().getServletContext().getRealPath("template") +
                    File.separator + "report_template.xlsx";

            //读取模板文件创建Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(temlateRealPath)));
            XSSFSheet sheet = workbook.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
      /*      for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }*/

            //通过输出流进行文件下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();

            return null;
        }catch (Exception e){
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL,null);
        }
    }

    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request, HttpServletResponse response) {
        try {
            HashMap<String, Object> result = reportService.getBusinessReport();

            String reportDate = DateUtils.parseDate2String((Date) result.get("reportDate"));
            result.put("reportDate",reportDate);
            //取出返回结果数据，准备将报表数据写入到PDF文件中
//            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取模板文件绝对磁盘路径
            String jrxmlPath =
                    request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath =
                    request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";
            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);

           /* //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath,result,
                            new JRBeanCollectionDataSource(hotSetmeal));*/
            //填充数据---使用JavaBean数据源方式填充
            /**/
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath,result,new JREmptyDataSource());
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("content-Disposition", "attachment;filename=report.pdf");

            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);
            out.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    public void menuTest(){
       /* List<Map<String,Object> > data=new ArrayList<>();

        List<Menu> list=menuService.findAll();
        Map<String,Object> map=new HashMap<>();


        List<Map<String,Object> > list2=new ArrayList<>();

        for (Menu menu : list) {
            if (!menu.getPath().startsWith("/")){
                map.put("path",menu.getPath());
                map.put("title",menu.getName());
                map.put("linkUrl",menu.getLinkUrl());
                map.put("children",list2);
                String path = menu.getPath();
                for (Menu menu1 : list) {
                    Map<String,Object> map2=new HashMap<>();
                    if (menu1.getPath().startsWith("/"+path)){
                        map2.put("path",menu.getPath());
                        map2.put("title",menu.getName());
                        map2.put("linkUrl",menu.getLinkUrl());
                    }
                    list2.add(map2);
                }
            }
        }
*/
    }
}
